athenahulbertotmh3q athenahulbertotmh3q

25-07-2017
Mathematics

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Factor the four-term polynomial ab + ac - 4b - 4c

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sarahlynnam121 sarahlynnam121

25-07-2017

a b + a c - 4 b - 4 c = a ( b + c ) - 4 ( b + c ) =
= (b + c) (a - 4)

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